Visiting Researcher positions
2000-present Visiting yearly 2 to 3 weeks research stays at Peoples Friendship University of Russia (PFUR), Moscow, Russia (Prof. Aram Arutyunov).
1995-present Visiting yearly 3 weeks research stays at State University of São Paulo (UNESP), S. José Rio Preto, Brazil (Prof. Geraldo Silva).
1998-present 2 to 3 visiting research stays at:
MSU - Moscow State University (Prof. A. Kurzhanski, Prof. Aram Arutyunov)
UCB - University of California at Berkeley (Prof. Pravin Varaiya)
LSU - Louisiana State University (Prof. Peter Wolensky)
USP – University of São Paulo (Prof. Vilma Oliveira, Eduardo Costa)
UNICAMP – University of Campinas, SP, (Prof. Paulo Kurka)
S. Juan University, Argentina (Prof. Ricardo Carelli),
UFES (EE) – Federal University of Espírito Santo, Vitória, ES, Brasil (Prof. Mario Sarcinelli, Teodiano Bastos, Eliete Caldeira)
2004 Visiting research stay of 1 month Université Paris Dauphine, Paris, France (Prof. Jean Pierre Aubin)
1992-1993 Visiting research stay of 1 month Imperial College of Medicine, Science and Technology, University of London, UK (Prof. Richard Vinter)
1988-1991 Visiting yearly 1 month research stays at Pontificia Catholic University of Rio de Jan, Brazil (Prof. Carlos Eduardo Pedreira).
1985-1986 Visiting research stay of 1 year at Imperial College of Science and Technology, University of London, UK (Prof. Richard Vinter)